Troubleshooting Guide - Carina Professional Bedienungsanleitung

Trouble Shooting Guide
Problem Cause
Upper 1. The machine is not threaded correctly. 1. Rethread the machine.
thread
2. The thread tension is too tight.
breaks
3. The thread is too thick for the needle. 3. Select a larger needle.
4. The needle is not inserted correctly. 4. Remove and reinsert the needle (flat
5. The thread is wound around the spool
holder pin.
6. The needle is damaged.
Lower 1. The bobbin case is not inserted
thread correctly.
breaks
2. The bobbin case is threaded wrong. 2. Check both bobbin and bobbin case.
Skipped 1. The needle is not inserted correctly. 1. Remove and reinsert needle (flat side
stitches
2. The needle is damaged.
3. The wrong size needle has been used. 3. Choose a needle to suit the thread.
4. The foot is not attached correctly. 4. Check and attach correctly.
5. The machine is not threaded correctly. 5. Rethread the machine.
Needle 1. The needle is damaged.
breaks
2. The needle is not correctly inserted. 2. Insert the needle correctly (flat side
3. Wrong needle size for the fabric. 3. Choose a needle to suit the thread and
4. The wrong foot is attached.
5. The needle clamp screw is loose. 5. Use the screwdriver to firmly tighten the
6. The presser foot that is used is not
appropriate for the type of stitch that
you wish to sew.
7. The upper thread tension is too tight. 7. Loosen the upper thread tension.
Loose 1. The machine is not correctly threaded. 1. Check the threading.
stitches
2. The bobbin case is not correctly
threaded.
3. Needle / fabric / thread combination is
wrong.
4. Thread tension is wrong.
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Correction
2. Reduce the thread tension (lower number).
side towards the back).
5. Remove the spool holder and unwind the
thread from the spool holder pin.
6. Replace the needle.
1. Remove and reinsert the bobbin case and
pull on the thread. The thread should pull
easily.
towards the back).
2. Insert a new needle.
1. Insert a new needle.
towards the back).
fabric.
4. Select the correct foot.
screw.
6. Attach the presser foot that is appropriate
for the type of stitch that you wish to sew.
2. Thread the bobbin case as illustrated.
3. The needle size must suit the fabric and
thread.
4. Correct the thread tension.
Page Problem Cause
39 Seam 1. The needle is too thick for the fabric. 1. Select a finer needle.
gather
51
2. The stitch length is adjusted wrong. 2. Readjust the stitch length.
or pucker
61
3. The thread tension is too tight.
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Seam 1. The needle thread tension is too tight. 1. Loosen the thread tension.
puckering
2. The needle thread is not threaded
39
correctly.
62 3. The needle is too heavy for the fabric
being sewn.
37
4. Stitch length is too long for the fabric. 4. Shorten stitch length
The 1. Thread is caught in the hook.
37
machine
2. The feed dogs are packed with lint.
jams
63
The 1. Lint or oil have collected on the hook
63
machine or needle bar.
is noisy
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2. The needle is damaged.
3. Slight humming sound coming
31
from internal motor.
43
4. Thread is caught in the hook.
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5. The feed dogs are packed with lint.
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Uneven 1. Poor quality thread.
61
stitches,
2. The bobbin case is threaded wrong. 2. Remove the bobbin case, the thread
uneven
53
feed
3. Fabric has been pulled.
63
Decorative Stitch patterns adjustment not well
56
stitches are balanced
warped /
51
not proper-
ly sewn
39
37
Before calling for service, check the following items. If the problem still persists, contact the place of
purchase or your nearest authorized dealer.
61
51
Correction
3. Loosen the thread tension.
2. Rethread the machine.
3. Choose a needle to suit the thread and
fabric.
Remove the upper thread and bobbin case.
Turn the handwheel backwards and forwards
by hand and remove the thread remnants.
1. Clean the hook and feed dog as
described.
2. Replace the needle.
3. Normal.
Remove the upper thread and bobbin case.
Turn the handwheel backwards and forwards
by hand and remove the thread remnants.
1. Select a better quality thread.
and reinsert correctly.
3. Do not pull on the fabric while sewing, let
it be taken up by the machine.
Adjust the pattern adjustment dial for stitch
balance
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